Hi guys, I need some help in configuration JBoss2.4.4 (please it's very important). First: I am using MySQL4.0.4 , How to configure JBoss so my beans will interact with MySQl? Second: What is the structure of jboss.xml (JBoss documentation is very very poor) Third: My EJB client work fine with the following code: Object obj = initialcontext.lookup("Welcome"); but when using : Object obj = initialcontext.lookup("java:comp/env/ejb/Welcome"); it doesn't work, what is the proplem? please guys I need every word from you!!